Round-5 - Ex. E and F

4. May / Will I use your phone, please?

1. You have to / don’t have to answer the phone. Whoever it is can leave a message.

2. Would / Could you like me to edit that photo for you?

3. We must / might get thirsty while jogging, so let’s take some water with us.

5. You mustn’t / needn’t walk on the grass. Look at the sign.